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Finding the Fourth Proportional to 45,646.80, 68,540.60 and 24,910.80

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Solution

The fourth proportional to 45,646.80, 68,540.60 and 24,910.80 is: 37,404.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,646.80 : 68,540.60 = 24,910.80 : x
  2. Step 2: Convert to fraction form
    45,646.80/68,540.60 = 24,910.80/x
  3. Step 3: Cross multiply
    45,646.80x = 68,540.60 × 24,910.80
  4. Step 4: Simplify right side
    45,646.80x = 1,707,401,178.48
  5. Step 5: Solve for x
    x = 1,707,401,178.48/45,646.80
  6. Step 6: Final answer
    x = 37,404.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.